Form 1099-B - Proceeds From Broker and Barter Exchange Transactions. Use Form 1099-B Copy C to print and mail payment information to the state or for Payer's records. 1099-B Forms are 2up on an 8 1/2 x 11" sheet with a side perforation and are printed on 20# laser paper. Order the quantity equal to the number of employees for which you need to file. Mail in a batch to the state.